Apache Arrow GitHub Repositories (2026) · Open Source Tools

Object-storage native graph database with branching and typed ontology

A data visualization and analytics component, especially well-suited for large and/or streaming datasets.

Open Lakehouse Format for Multimodal AI. Convert from Parquet in 2 lines of code for 100x faster random access, vector index, and data versioning. Compatible with Pandas, DuckDB, Polars, Pyarrow, and PyTorch with more integrations coming..

Apache Kafka® compatible broker with S3, PostgreSQL, SQLite, Apache Iceberg and Delta Lake

dbc is the command-line tool for installing and managing ADBC drivers

ParquetSharp is a .NET library for reading and writing Apache Parquet files.

Instant Kubernetes-Native Application Observability

Manipulate JSON-like data with NumPy-like idioms.

Intuitive Data Workflows

A minimal Python library for Apache Arrow, connecting to the Rust Arrow crate

MongoDB integrations for Apache Arrow. Export MongoDB documents to numpy array, parquet files, and pandas dataframes in one line of code.

Official JavaScript implementation of Apache Arrow

Official Java implementation of Apache Arrow

DashCraft: BI dashboards and data models; an open-source, clean-room Power BI file explorer and report renderer, written from scratch in Rust. Open PBIX, PBIP, PBIT, TMDL and model.bim offline on macOS, Windows and Linux. No Power BI Desktop, no VM, no cloud login.

QuestDB is a high performance, open-source, time-series database